Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Technical Evaluation Final Report written by and published by . This book was released on 1992 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: The University of North Dakota Energy and Environmental Research Center (EERC) and the AMAX Research and Development Center are cooperating in the development of a Mild Gasification process that will rapidly devolatilize coals of all ranks at relatively low temperatures between 930° and 1470°F (500°and 800°C) and near atmospheric pressure to produce primary products that include a reactive char, a hydrocarbon condensate, and a low-Btu gas. These will be upgraded in a ''coal refinery'' system having the flexibility to optimize products based on market demand. Task 2 of the four-task development sequence primarily covered bench-scale testing on a 10-gram thermogravimetric analyzer (TGA) and a 1 to 4-lb/hr continuous fluidized-bed reactor (CFBR). Tests were performed to determine product yields and qualities for the two major test coals-one a high-sulfur bituminous coal from the Illinois Basin (Indiana No. 3) and the other a low-sulfur subbituminous coal from the Powder River Basin (Wyodak). Results from Task 3, on product upgrading tests performed by AMAX Research and Development (R & D), are also reported. Task 4 included the construction, operation of a Process Research Unit (PRU), and the upgrading of the products. An economic evaluation of a commercial facility was made, based on the data produced in the PRU, CFBR, and the physical cleaning steps.

Download or read book Development of Advanced Continuous Mild Gasification Process for the Production of Co products Addendum to Technical Evaluation Final Report written by and published by . This book was released on 1992 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains the material balance data for Wyodak, Indiana No. 3, and Cannelton coals that were tested in the mild gasification program. Data include tests conducted using the 1- to 4-lb/hr continuous fluid-bed reactor (CFBR) and the 100-lb/hr Process Research Unit (PRU). All raw analysis data were reduced to calculate product yields as a percentage of the product mass divided by the maf coal feed. The material closure was then determined, and losses were assigned to one or a combination of the three product streams: char, condensate (includes condensed steam), and gas. Mass was added proportionally to each constituent of the stream until the closure was 100%.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Task 1 Volume 1 Final Report written by and published by . This book was released on 1991 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Under US DOE sponsorship, a project team consisting of the Institute of Gas Technology, Peabody Holding Company, and Bechtel Group, Inc. has been developing an advanced, mild gasification process to process all types of coal and to produce solid and condensable liquid co-products that can open new markets for coal. The three and a half year program (September 1987 to June 1991) consisted of investigations in four main areas. These areas are: (1) Literature Survey of Mild Gasification Processes, Co-Product Upgrading and Utilization, and Market Assessment; (2) Mild Gasification Technology Development: Process Research Unit Tests Using Slipstream Sampling; (3) Bench-Scale Char Upgrading Study; (4) Mild Gasification Technology Development: System Integration Studies. In this report, the literature and market assessment of mild gasification processes are discussed.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on mild gasification is discussed. The report is divided into three sections: literature survey of mild gasification processes; literature survey of char, condensibles, and gas upgrading and utilization methods; and industrial market assessment of products of mild gasification. Recommendations are included in each section. (CBS) 248 refs., 58 figs., 62 tabs.

Download or read book Development of Advanced Continuous Mild Gasification Process for the Production of Co products Addendum to Technical Evaluation written by and published by . This book was released on 1992 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains the material balance data for Wyodak, Indiana No. 3, and Cannelton coals that were tested in the mild gasification program. Data include tests conducted using the 1- to 4-lb/hr continuous fluid-bed reactor (CFBR) and the 100-lb/hr Process Research Unit (PRU). All raw analysis data were reduced to calculate product yields as a percentage of the product mass divided by the maf coal feed. The material closure was then determined, and losses were assigned to one or a combination of the three product streams: char, condensate (includes condensed steam), and gas. Mass was added proportionally to each constituent of the stream until the closure was 100%.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Coproducts written by and published by . This book was released on 1991 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Morgantown Energy Technology Center (METC) of DOE has sponsored, and continues to sponsor, programs for the development of technology and market strategies which will lead to the commercialization of processes for the production of coproducts from mild gasification of coal. It has been recognized by DOE and industry that mild gasification is a promising technology with potential to economically convert coal into marketable products, thereby increasing domestic coal utilization. In this process, coal is devolatilized under non- oxidizing conditions at mild temperature (900--1100°F) and pressure (1--15psig). Condensation of the vapor will yield a liquid product that can be upgraded to a petroleum substitute, and the remaining gas can provide the fuel for the process. The residual char can be burned in a power plant. Thus, in a long-term national scenario, implementation of this process will result in significant decrease of imported oil and increase in coal utilization.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Tasks 2 3 and 4 1 to 4 6 Volume 2 Final Report written by and published by . This book was released on 1991 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 2 contains information on the following topics: (1) Mild Gasification Technology Development: Process Research Unit Tests Using Slipstream Sampling; (2) Bench-Scale Char Upgrading Study; (3) Mild Gasification Technology Development: System Integration Studies. (VC).

Download or read book Energy Research Abstracts written by and published by . This book was released on 1994 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Task 1 written by and published by . This book was released on 1991 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Under US DOE sponsorship, a project team consisting of the Institute of Gas Technology, Peabody Holding Company, and Bechtel Group, Inc. has been developing an advanced, mild gasification process to process all types of coal and to produce solid and condensable liquid co-products that can open new markets for coal. The three and a half year program (September 1987 to June 1991) consisted of investigations in four main areas. These areas are: (1) Literature Survey of Mild Gasification Processes, Co-Product Upgrading and Utilization, and Market Assessment; (2) Mild Gasification Technology Development: Process Research Unit Tests Using Slipstream Sampling; (3) Bench-Scale Char Upgrading Study; (4) Mild Gasification Technology Development: System Integration Studies. In this report, the literature and market assessment of mild gasification processes are discussed.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Final Report September 1987 September 1996 written by and published by . This book was released on 1996 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Char, the major co-product of mild coal gasification, represents about 70 percent of the total product yield. The only viable use for the char is in the production of formed coke. Early work to develop formed coke used char from a pilot plant sized mild gasification unit (MGU), which was based on commercial units of the COALITE plant in England. Formed coke was made at a bench-scale production level using MGU chars from different coals. An evolutionary formed coke development process over a two-year period resulted in formed coke production at bench-scale levels that met metallurgical industries' specifications. In an ASTM D5341 reactivity test by a certified lab, the coke tested CRI 30.4 and CSR 67.0 which is excellent. The standard is CRI 32 and CSR 55. In 1991, a continuous 1000 pounds per hour coal feed mild coal gasification pilot plant (CMGU) was completed. The gasification unit is a heated unique screw conveyor designed to continuously process plastic coal, vent volatiles generated by pyrolysis of coal, and convert the plastic coal to free flowing char. The screw reactor auxiliary components are basic solids materials handling equipment. The screw reactor will convert coal to char and volatile co-products at a rate greater than 1000 pounds per hour of coal feed. Formed coke from CMGU char is comparable to that from the MGU char. In pilot-plant test runs, up to 20 tons of foundry coke were produced. Three formed coke tests at commercial foundries were successful. In all of the cupola tests, the iron temperature and composition data indicated that the formed coke performed satisfactorily. No negative change in the way the cupola performed was noticed. The last 20-ton test was 100 percent CTC/DOE coke. With conventional coke in this cupola charging rates were 10 charges per hour. The formed coke charges were 11 to 12 charges per hour. This equates to a higher melt rate. A 10 percent increase in cupola production would be a major advantage. 13 figs., 13 tabs.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Quarterly Technical Progress Report October December 1991 written by and published by . This book was released on 1992 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: On November 6, 1991, a meeting was held at the AMAX Research and Development Center in Golden, Colorado. Those in attendance at the meeting included Brian Runge and Robert Ness of the EERC, Scott McFeely of Xoi, Frank Hogsett and Mahesh Jha of AMAX, and Jerry Sinor and Trevor Ellis of J.E- Sinor Consultants. Items on the agenda included framing the scope of work to be conducted by Sinor on the market assessment for mild gasification products. An attempt was made to draft an integrated time line for the completion of all subcontracts issued under the project. The commercial process flowsheet under development by XBi was presented for review. The goals to be achieved by the technical and economic assessment to be performed by XBi were outlined. Frank Hogsett reported on the progress of the coal cleaning being conducted by AMAX. As soon as sufficient coal has been cleaned, the mild gasification reactors at the EERC will be run to generate sufficient quantities of products to allow testing of product upgrading and utilization methods. The next project review meeting was held on December 12, 1991, in the Houston, Texas, offices of XBi. The major work conducted during this meeting focused on review of the preliminary process flow diagrams (PFOS) prepared by XBi. Several modifications were discussed and will be reflected in the updated PFDs.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Quarterly Report January 1994 March 1994 written by and published by . This book was released on 1994 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this project is to develop an advanced continuous mild gasification process and product upgrading processes which will be capable of eventual commercialization. This program consists of four tasks. Task 1 is a literature survey of mild gasification processes and product upgrading methods and also a market assessment for mild gasification products. Based on the literature survey, a mild gasification process and char upgrading method will be identified for further development. Task 2 is a bench-scale investigation of mild gasification to generate data for a larger scale reactor. Task 3 is a bench-scale study of char upgrading to value added products. Task 4 is being implemented by building and operating a 1000-pound per hour demonstration facility. Task 4 also includes a technical and economic evaluation based on the performance of the mild gasification demonstration facility.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Quarterly Report April 1 June 30 1993 written by and published by . This book was released on 1993 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this project is to develop an advanced continuous mild gasification process and product upgrading processes which will be capable of eventual commercialization. The program consists of four tasks. Task 1 is a literature survey of mild gasification processes and product upgrading methods and also a market assessment of markets for mild gasification products. Based on the literature survey, a mild gasification process and char upgrading method will be identified for further development. Task 2 is a bench-scale investigation of mild gasification to generate design data for a larger scale reactor. Task 3 is a bench-scale study of char upgrading to value added products. Task 4 is being implemented by building and operating a 1,000-pound per hour demonstration facility. Task 4 also includes a technical and economic evaluation based on the performance of the mild gasification demonstration facility. Seven briquette tests were made to show the effects of different volatile matter contents of chars on coke quality. Higher char volatiles in the range of 7.52% to 14.14% produced better quality coke. This correlation was determined for a low volatile coal, Pocahontas {number_sign}3, and a mid volatiles coal, Sewell Lady H. Fifteen CMGU test runs were made using low volatile coal, Pocahontas {number_sign}3, and a mid volatile coal, Sewell Lady H. The 1,000 pounds/hour design coal feed rate was exceeded at 1,183 pounds/hour. Improvements to the vapor handling system were made including installation of a packed column demister and a tar trap condenser. Elimination of smoke emissions from the flare is in progress.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Quarterly Report April June 1994 written by and published by . This book was released on 1994 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this project is to develop an advanced continuous mild gasification process and product upgrading processes which will be capable of eventual commercialization. The program consists of four tasks. Task 1 is a literature survey of mild gasification processes and product upgrading methods and also a market assessment of markets for mild gasification products. Based on the literature survey, a mild gasification process and char upgrading method will be identified for further development. Task 2 is a bench-scale investigation of mild gasification to generate design data for a larger scale reactor. Task 3 is a bench-scale study of char upgrading to value added products. Task 4 is being implemented by building and operating a 1000-pound per hour demonstration facility. Task 4 also includes a technical and economic evaluation based on the performance of the mild gasification demonstration facility. Installation of a continuous coke pilot plant started in the second quarter of 1994. Ten of 14 major components have been set. The remaining four are on order. Startup is scheduled for late September 1994. Eight test runs were completed in the continuous mild gasification unit (CMGU). These were short test runs to evaluate repair work or to demonstrate the PDU. Efforts continued to obtain financing for a commercial unit.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Quarterly Technical Progress Report April June 1992 written by and published by . This book was released on 1992 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The char produced in the 100-lb/hr process development unit has been magnetically cleaned by AMAX and returned to the Energy and Environmental Research Center (EERC). The final calcining step of the process is currently being performed in the 4-lb/hr continuous fluidized-bed reactor (CFBR). The liquid products generated by the PDU have been collected and split into usable fractions and fractions to be discarded. Samples of the coal-derived liquids have been sent to Merichem Corporation of Houston and Koppers Industries of Pittsburgh for determination of their usefulness as chemical feedstock for the production of cresylic acids and anode-grade-binder pitch. The technical and economic assessment performed by Xbi and J.E Sinor Consultants has been completed. The briquette testing being conducted at the EERC has produced high quality briquettes using a number of binder agents. The next step in the test matrix will include the use of coal-derived liquids from the PDU as the binder. An additional coal has been added to the mild gasification test matrix. AMAX recently acquired two eastern low-sulfur bituminous coals and suggested that a limited test schedule be conducted to determine the suitability of these coals for the mild gasification process. The sulfur levels in the raw coals are below the target levels suggested by the steel industry for metallurgical coke use. To date, it has not been possible to reach these goals using the high-sulfur Illinois Basin coals tested.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Coproducts written by and published by . This book was released on 1990 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: Western Research Institute (WRI) teamed with the AMAX Research and Development Center and Riley Stoker Corporation on Development of an Advanced, Continuous Mild-Gasification Process for the Production of Coproducts under contract DE-AC21-87MC24268 with the Morgantown Energy Technology of the US Department of Energy. The strategy for this project is to produce electrode binder pitch and diesel fuel blending stock by mild gasification of Wyodak coal. The char is upgraded to produce anode-grade carbon, carbon black, and activated carbon. This report describes results of mild-gasification tests conducted by WRI. Char upgrading tests conducted by AMAX will be described in a separate report.

Download or read book Development of an Advanced Continuous Mild Gasification Process for the Production of Co products Task 4 6 Economic Evaluation written by and published by . This book was released on 1992 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: The principal finding of this study was the high capital cost and poor financial performance predicted for the size and configuration of the plant design presented. The XBi financial assessment gave a disappointingly low base-case discounted cash flow rate of return (DCFRR) of only 8.1% based on a unit capital cost of $900 per ton year (tpy) for their 129,000 tpy design. This plant cost is in reasonable agreement with the preliminary estimates developed by J.E. Sinor Associates for a 117,000 tpy plant based on the FMC process with similar auxiliaries (Sinor, 1989), for which a unit capital costs of $938 tpy was predicted for a design that included char beneficiation and coal liquids upgrading--or about $779 tpy without the liquid upgrading facilities. The XBi assessment points out that a unit plant cost of $900 tpy is about three times the cost for a conventional coke oven, and therefore, outside the competitive range for commercialization. Modifications to improve process economics could involve increasing plant size, expanding the product slate that XBi has restricted to form coke and electricity, and simplifying the plant flow sheet by eliminating marginally effective cleaning steps and changing other key design parameters. Improving the financial performance of the proposed formed coke design to the level of a 20% DCFRR based on increased plant size alone would require a twenty-fold increase to a coal input of 20,000 tpd and a coke production of about 2.6 minion tpy--a scaling exponent of 0.70 to correct plant cost in relation to plant size.